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| motherboard | |
L | menu: A software interface that | ||
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| displays a list of options on the | |
level 2 cache: See cache. | screen. Also called a screen. | ||
microprocessor: A hardware compo- | |||
Light Emitting Diode (LED): A | |||
nent contained in a single integrated | |||
. semiconductor device that emits light | |||
circuit that carries out instructions. | |||
when a current is applied. | Also called the central processing unit | ||
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| ||
Liquid Crystal Display (LCD): Liquid | (CPU), one of the main parts of the | ||
crystal sealed between two sheets of | computer. | ||
glass coated with transparent con- | mode: A method of operation, for | ||
ducting material. The | |||
example, the boot mode or the resume | |||
coating is etched into character | |||
mode. | |||
forming segments with leads that | |||
modem: Derived from modulator/ | |||
extend to the edge of the glass. | |||
demodulator, a device that converts | |||
Applying a voltage between the glass | |||
(modulates) digital data for transmis- | |||
sheets darkens the liquid crystal to | |||
sion over telephone lines and then | |||
provide contrast to lighted portions of | |||
converts modulated data (demodu- | |||
the display. | |||
lates) to digital format where received. | |||
LSI: Large Scale Integration. 1) A | |||
monitor: A device that uses rows and | |||
technology that allows the inclusion of | |||
columns of pixels to display alphanu- | |||
up to 100,000 simple logic gates on a | |||
meric characters or graphic images. | |||
single chip. 2) An integrated circuit | |||
See CRT. | |||
that uses the large scale integration. | |||
| |||
|
| motherboard: A name sometimes | |
M | used to refer to the main printed circuit | ||
board in processing equipment. It | |||
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| ||
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| usually contains integrated circuits | |
main board: See motherboard. | that perform the processor’s basic | ||
megabyte (MB): A unit of data | functions and provides connectors for | ||
adding other boards that perform | |||
storage equal to 1024 kilobytes. See | |||
special functions. Sometimes called a | |||
also kilobyte. | |||
main board. | |||
megahertz: A unit of wave frequency | |||
| |||
that equals 1 million cycles per |
| ||
second. See also hertz. |
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LOSSARYG